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Note 7 - Long-term Debt (Tables)
3 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Maturities of Long-term Debt [Table Text Block]
Twelve months ending March 31,
         
2017
    $ 641,919  
2018
      1,614,170  
2019
      1,928,401  
2020
      6,249,667  
Thereafter
      55,310  
      $ 10,489,467